﻿
(*
* The MIT License
*
* Copyright 2018 The ALANN2018 authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*)
module ToCSV

open System.IO
open CsvHelper
open Types
open TermFormatters

let ToCSV systemState =
    let path = @"graph.csv"
    let stores = systemState.stores

    if File.Exists(path) then
        File.Delete(path)

    use fileWriter = File.CreateText(path)
    let csv = new CsvWriter(fileWriter)
    csv.Configuration.HasHeaderRecord <- false

    let writeField term =
        csv.WriteField(ft term, true)

    let writeRecord node =
        writeField node.Term
    
        for belief in node.Beliefs.GetBeliefs() do
            writeField belief.Term

        csv.NextRecord();

    for store in stores do  
        Seq.iter writeRecord store.Values
            
    csv.Flush();